Douglas Valbuena Plaza, MD
Internal Medicine Physician · San Antonio, TX
Douglas Valbuena Plaza, MD is an internal medicine physician with a practice address in San Antonio, Texas, and NPI 1447670898, issued on Apr 24, 2014. Check the license (Texas R3974, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Valbuena Plaza
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- R3974 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6487 Blanco RD, San Antonio, TX 78216
- Phone
- (210) 921-3800
- Enumerated
- Apr 24, 2014
- Record last updated
- Aug 5, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170814000706); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6487 Blanco RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Diana Garza, FNP-CFamily Nurse Practitioner1578819868
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- Jose Seda, M.D.Family Medicine Physician1811124993
Verify Douglas Valbuena Plaza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R3974Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.2 times the Medicare Part D claims of the average internal medicine physician in 2024
10,220 Medicare Part D claims for 733 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 109 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium757 claims
- Losartan Potassium506 claims
- Lisinopril502 claims
- Metformin Hcl486 claims
- Amlodipine Besylate432 claims
- Atorvastatin Calcium432 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,238.46
54 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Gmg Health Systems Associates PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Valbuena Plaza among 9,175 internal medicine physician records in Texas
Douglas Valbuena Plaza, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 69% of them.
- NPI issued2014 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2004 among the 6,088 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
657 internal medicine physician records list a practice address in San Antonio
They are 657 of the 37,749 NPPES records with a practice address in San Antonio, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in San Antonio → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leslee Ball-Scovel, MDSan Antonio, TX 782161790759371
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- Roseann Miller, MDSan Antonio, TX 782161285646141
- Dennis Murphree, MDSan Antonio, TX 782161174520894
- Kwame Obeng, M.D.San Antonio, TX 782161851320402
- Anthony Oliva, MDSan Antonio, TX 782161467569822
- Lino Ramos, MDSan Antonio, TX 782161851332415
- Shankar Sanka, M.D.San Antonio, TX 782161851395495
Common questions
What is Douglas Valbuena Plaza, MD's NPI number?
Douglas Valbuena Plaza, MD's National Provider Identifier (NPI) is 1447670898, issued on Apr 24, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Valbuena Plaza, MD located?
The NPPES record lists a practice address at 6487 Blanco RD, San Antonio, TX, 78216. Phone: (210) 921-3800. Providers update this record themselves, so call before visiting.
How can I verify Douglas Valbuena Plaza, MD's license?
NPPES lists Texas license number R3974, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Douglas Valbuena Plaza, MD prescribe under Medicare Part D?
In 2024, Douglas Valbuena Plaza, MD had 10,220 Medicare Part D claims for 733 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.